package cn.lili.modules.order.cart.render.impl;

import cn.hutool.core.text.CharSequenceUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import cn.lili.common.enums.PromotionTypeEnum;
import cn.lili.modules.goods.service.CategoryService;
import cn.lili.modules.order.cart.entity.dto.TradeDTO;
import cn.lili.modules.order.cart.entity.enums.CartTypeEnum;
import cn.lili.modules.order.cart.entity.enums.RenderStepEnums;
import cn.lili.modules.order.cart.entity.vo.CartSkuVO;
import cn.lili.modules.order.cart.entity.vo.CartVO;
import cn.lili.modules.order.cart.render.CartRenderStep;
import cn.lili.modules.order.order.entity.dto.PriceDetailDTO;
import cn.lili.modules.promotion.entity.dos.KanjiaActivityGoods;
import cn.lili.modules.promotion.entity.dos.PointsGoods;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.Optional;

/**
 * 佣金计算
 *
 * @author Chopper
 * @see CartVO
 */
@Service
public class CommissionRender implements CartRenderStep {

	/**
	 * 商品分类
	 */
	@Autowired
	private CategoryService categoryService;

	@Override
	public RenderStepEnums step() {
		return RenderStepEnums.PLATFORM_COMMISSION;
	}

	@Override
	public void render(TradeDTO tradeDTO) {
		buildCartPrice(tradeDTO);
	}

	/**
	 * 购物车佣金计算
	 *
	 * @param tradeDTO
	 *            购物车展示信息
	 */
	void buildCartPrice(TradeDTO tradeDTO) {
		// 购物车列表
		List<CartVO> cartVOS = tradeDTO.getCartList();

		// 计算购物车价格
		for (CartVO cart : cartVOS) {
			// 累加价格
			for (CartSkuVO cartSkuVO : cart.getCheckedSkuList()) {

				PriceDetailDTO priceDetailDTO = cartSkuVO.getPriceDetailDTO();
				// 平台佣金根据分类计算
				String categoryId = cartSkuVO.getGoodsSku().getCategoryPath()
						.substring(cartSkuVO.getGoodsSku().getCategoryPath().lastIndexOf(",") + 1);
				if (CharSequenceUtil.isNotEmpty(categoryId)) {
					Double commissionRate = categoryService.getById(categoryId).getCommissionRate();
					priceDetailDTO.setPlatFormCommissionPoint(commissionRate);
				}

				// 如果积分订单 积分订单，单独操作订单结算金额和商家结算字段
				if (tradeDTO.getCartTypeEnum().equals(CartTypeEnum.POINTS)
						&& tradeDTO.getSkuList().get(0).getPromotionMap() != null
						&& !tradeDTO.getSkuList().get(0).getPromotionMap().isEmpty()) {
					Optional<Map.Entry<String, Object>> pointsPromotions = tradeDTO.getSkuList().get(0)
							.getPromotionMap().entrySet().stream()
							.filter(i -> i.getKey().contains(PromotionTypeEnum.POINTS_GOODS.name())).findFirst();
					if (pointsPromotions.isPresent()) {
						JSONObject promotionsObj = JSONUtil.parseObj(pointsPromotions.get().getValue());
						PointsGoods pointsGoods = JSONUtil.toBean(promotionsObj, PointsGoods.class);
						priceDetailDTO.setSettlementPrice(pointsGoods.getSettlementPrice());
					}
				}
				// 如果砍价订单 计算金额，单独操作订单结算金额和商家结算字段
				else if (tradeDTO.getCartTypeEnum().equals(CartTypeEnum.KANJIA)
						&& tradeDTO.getSkuList().get(0).getPromotionMap() != null
						&& !tradeDTO.getSkuList().get(0).getPromotionMap().isEmpty()) {
					Optional<Map.Entry<String, Object>> kanjiaPromotions = tradeDTO.getSkuList().get(0)
							.getPromotionMap().entrySet().stream()
							.filter(i -> i.getKey().contains(PromotionTypeEnum.KANJIA.name())).findFirst();
					if (kanjiaPromotions.isPresent()) {
						JSONObject promotionsObj = JSONUtil.parseObj(kanjiaPromotions.get().getValue());
						KanjiaActivityGoods kanjiaActivityGoods = JSONUtil.toBean(promotionsObj,
								KanjiaActivityGoods.class);
						priceDetailDTO.setSettlementPrice(kanjiaActivityGoods.getSettlementPrice());
					}
				}
			}
		}
	}

}
